#1B2168#1B2168

#1B2168 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.5% C 0.122 H 272.5°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#1B2168
RGB	rgb(27, 33, 104)
HSL	hsl(235, 59%, 26%)
HSV	hsv(235, 74%, 41%)
CMYK	cmyk(74%, 68.3%, 0%, 59.2%)
CIE-LAB	lab(17.08, 23.64, -42.34)
CIE-LCH	lch(17.08, 48.49, 299.18°)
OKLab	oklab(29.48% 0.0054 -0.1223)
OKLCH	oklch(29.48% 0.122 272.5)
XYZ	xyz(3.4937, 2.3199, 13.3577)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2168 #68621B

analogous

#1B4768 #1B2168 #3B1B68

triadic

#1B2168 #681B21 #21681B

tetradic

#1B2168 #681B47 #68621B #1B683B

square

#1B2168 #681B47 #68621B #1B683B

split-complementary

#1B2168 #683B1B #47681B

monochromatic

#060818 #0E1237 #1B2168 #283099 #3440C9

Accessibility & contrast

On white

14.34

#1B2168 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1B2168 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2168

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2168	#FFFFFF	#000000	##FFFFFF
##1B2168	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6A

Deuteranopia (green-blind)

#002767

Tritanopia (blue-blind)

#003441

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b2168;
/* rgb */ color: rgb(27, 33, 104);
/* oklch */ color: oklch(29.5% 0.122 272.5);

Tailwind

colors: {
  custom: {
    50: '#645c94',
    500: '#1b2168',
    950: '#000000',
  },
}

SCSS

$custom: #1b2168;
$custom-light: #645c94;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2168",
  "rgb": {
    "r": 27,
    "g": 33,
    "b": 104
  },
  "hsl": {
    "h": 235.325,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29476,
    "c": 0.12239,
    "h": 272.5
  },
  "luminance": 0.0232
}

Semantic roles & 50–950 ramp

primary

#1B2168

secondary

#9D9642

accent

#D646E2

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1B2168

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →